BUSED COMPUTER NETWORKING

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709253000

BUSED COMPUTER NETWORKING

7

20100011127

METHODS AND APPARATUS FOR CONTROL USING CONTROL DEVICES THAT PROVIDE A VIRTUAL MACHINE ENVIRONMENT AND THAT COMMUNICATE VIA AN IP NETWORK - The invention provides improved methods and apparatus for control using field and control devices that provide a virtual machine environment and that communicate via an IP network. By way of non-limiting example, such field device can be an “intelligent” transmitter or actuator that includes a low power processor, along with a random access memory, a read-only memory, FlashRAM, and a sensor interface. The processor can execute a real-time operating system, as well as a Java virtual machine (JVM). Java byte code executes in the JVM to configure the field device to perform typical process control functions, e.g., for proportional integral derivative (PID) control and signal conditioning. Control networks can include a plurality of such field and control devices interconnected by an IP network, such as an Ethernet.

01-14-2010

20090313389

FLEXIBLE REMOTE DATA MIRRORING - Methods, systems, and configured storage media are provided for flexible data mirroring. In particular, the invention provides many-to-one data mirroring, including mirroring from local servers running the same or different operating systems and/or file systems at two or more geographically dispersed locations. The invention also provides one-to-many data mirroring, mirroring with or without a dedicated private telecommunications link, and mirroring with or without a dedicated server or another server at the destination(s) to assist the remote mirroring unit(s). In addition, the invention provides flexibility by permitting the use of various combinations of one or more external storage units and/or RAID units to hold mirrored data. Spoofing, SCSI and other bus emulations, and further tools and techniques are used in various embodiments of the invention.

12-17-2009

20140059250

NETWORK SYSTEM - A network system of the present invention includes a computer and a device connected via a network, and a system management device. The computer and the device include, respectively, bridges that encapsulate transmission/reception data transmitted and received to and from each other and transmit and receive the data to and from each other via the network. Each of the bridges includes a control data transmitting means for generating control data for controlling the state of the system based on control auxiliary data issued from the computer or the device and used for controlling the state of the system, and transmitting the control data to the system management device via the network. The system management device includes a system controlling means for controlling the state of the system in accordance with the control data received thereby.

02-27-2014

20110161527

Distributed Computing Bus - A distributed computing bus that provides both data transport and ambient computing power is provided. Contemplated buses comprise a network fabric of interconnected networking infrastructure nodes capable of being programmed before or after installation in the field. A fabric manager organizes the fabric into a bus topology communicatively coupling computing elements that exchange payload data using a bus protocol. Nodes within the bus topology operate on the payload data as the data passes through the node on route to its destination.

06-30-2011

20080281987

FACILITATING AUTOMATIC PROTECTION SWITCHING FOR PROVIDER BACKBONE NETWORK - An existing protection mechanism is enhanced through the use of an automatic protection switching protocol data unit (APS PDU). In conjunction with transmitting Ethernet frames to a second bridge over a primary path, a first bridge transmits APS PDUs to the second bridge over a secondary path. The APS PDUs provide the second bridge with information about the protection switching mechanism being used and provide indications regarding the status of the primary path. In particular, protection switching may be facilitated by forming an APS PDU that is extended to include an indication of an identity for a trunk or a primary path before transmitting the APS PDU to the second bridge. Alternatively, after forming a regular APS PDU, protection switching may be facilitated by encapsulating the regular APS PDU with information identifying a trunk or a primary path before transmitting the APS PDU to the second bridge.

11-13-2008

20090198836

Distributed Computing Bus - A distributed computing bus that provides both data transport and ambient computing power is provided. Contemplated buses comprise a network fabric of interconnected networking infrastructure nodes capable of being programmed before or after installation in the field. A fabric manager organizes the fabric into a bus topology communicatively coupling computing elements that exchange payload data using a bus protocol. Nodes within the bus topology operate on the payload data as the data passes through the node on route to its destination.

08-06-2009

20090077269

DISTRIBUTED COMPUTING SYSTEM ARCHITECTURE - A computing system architecture is based upon a peer-to-peer, asynchronous model. The architecture specifies a set of infrastructure facilities that comprise an inter-prise operating system. The inter-prise operating system provides all the facilities that make application coding as easy in the peer-to-peer asynchronous model as it is in a hierarchical, synchronous model. Services, which reside in containers, are linked asynchronously by an inter-prise bus and use data from a virtual data store.